Base | Representation |
---|---|
bin | 111110000010111… |
… | …0111111000010000 |
3 | 12101002111012122011 |
4 | 1330011313320100 |
5 | 13230432230014 |
6 | 542330352304 |
7 | 102406660144 |
oct | 17405677020 |
9 | 5332435564 |
10 | 2081914384 |
11 | 979206100 |
12 | 4a128b694 |
13 | 272427c04 |
14 | 15a6dd224 |
15 | c2b937c4 |
hex | 7c177e10 |
2081914384 has 135 divisors (see below), whose sum is σ = 4788373863. Its totient is φ = 876057600.
The previous prime is 2081914381. The next prime is 2081914451. The reversal of 2081914384 is 4834191802.
The square root of 2081914384 is 45628.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 192099600 + 1889814784 = 13860^2 + 43472^2 .
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2081914381) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 34129714 + ... + 34129774.
Almost surely, 22081914384 is an apocalyptic number.
2081914384 is the 45628-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2081914384
2081914384 is an abundant number, since it is smaller than the sum of its proper divisors (2706459479).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2081914384 is a wasteful number, since it uses less digits than its factorization.
2081914384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 186 (or 91 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 40.
The cubic root of 2081914384 is about 1276.8923603317.
The spelling of 2081914384 in words is "two billion, eighty-one million, nine hundred fourteen thousand, three hundred eighty-four".
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